Before hiring from abroad the employer has to get a Labor Certification application approved by the Department of Labor. PERM, Program Electronic Review Management, is a Labor Certification application process that came into effect on March 28, 2005.
card - thin cardboard, usually rectangular. corrugated board, corrugated cardboard - cardboard with corrugations (can be glued to flat cardboard on one or both sides) paperboard, poster board, posterboard - a cardboard suitable for making posters. pasteboard - stiff cardboard made by pasting together layers of paper. strawboard - a coarse yellow cardboard made of straw pulp. paper - a material made of cellulose pulp derived mainly from wood or rags or certain grasses.
Cardboard, unless it is coated with a wax finish, is  bio-degradable. It will decompose in approximately 2-months.  Moisture, heat, and the presence of other biological mate â¦ rials will  affect decomposition.